mingjialiu commented on pull request #29430: URL: https://github.com/apache/spark/pull/29430#issuecomment-674302449
> I think it might make sense to add a test with a self join between the two dfs yields the correct results to mirror the issue observed The issue observed cannot be necessarily mirrored this way. The issue happens when 1. An exchange exists in optimized physical plan 2. Reuse exchange rule is applied. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
